Results 21 to 30 of about 43,771 (282)
Optics Express, 2007 Employing an interferometric cavity ring-down technique we study the launching, propagation and reflection of surface plasmons on a smooth gold-air interface that is intersected by two parallel, sub-wavelength wide slits. Inside the low-finesse optical cavity defined by these slits the surface plasmon is observed to make multiple bounces.
Kuzmin, N.V. (author) +3 more
openaire +4 more sources
Investigation of surface plasmons in Kretschmann structure loaded with a silver nano-cube
Results in Physics, 2019 A composite structure based on a Kretschmann structure loaded with silver nano-cube is proposed. A 442-nm laser was used to excite surface plasmons in the composite structure, and the electric field enhancement was numerically simulated using the finite ...
Xiangxian Wang +4 more
doaj +1 more source
Real-space imaging of acoustic plasmons in large-area graphene grown by chemical vapor deposition
Nature Communications, 2021 Acoustic graphene plasmons are superior to the graphene surface plasmons in field confinement and normalized propagation length, thus promising for applications.
Sergey G. Menabde +10 more
doaj +1 more source
Tuning localized plasmons in nanostructured substrates for surface-enhanced Raman scattering [PDF]
, 2006 Comprehensive reflectivity mapping of the angular dispersion of nanostructured arrays comprising of inverted pyramidal pits is demonstrated. By comparing equivalently structured dielectric and metallic arrays, diffraction and plasmonic features are ...
Abdelsalam +19 more
core +1 more source
Sol-Gel Thin Films for Plasmonic Gas Sensors
Sensors, 2015 Plasmonic gas sensors are optical sensors that use localized surface plasmons or extended surface plasmons as transducing platform. Surface plasmons are very sensitive to dielectric variations of the environment or to electron exchange, and these effects
Enrico Della Gaspera +1 more
doaj +1 more source
Quantum Dot-Induced Blue Shift of Surface Plasmon Spectroscopy
Nanomaterials, 2022 We experimentally demonstrate the spectral blue shift of surface plasmon resonance through the resonant coupling between quantum dots (QDs) and surface plasmons, surprisingly in contrast to the conventionally observed red shift of plasmon spectroscopy ...
Than Thi Nguyen +4 more
doaj +1 more source
Localized Surface Plasmons in Vibrating Graphene Nanodisks [PDF]
, 2016 Localized surface plasmons are confined collective oscillations of electrons in metallic nanoparticles. When driven by light, the optical response is dictated by geometrical parameters and the dielectric environment and plasmons are therefore extremely ...
Christensen, Johan +4 more
core +2 more sources
Designing Plasmonic Gratings with Transformation Optics
Physical Review X, 2015 Plasmonic gratings that support both localized and propagating plasmons have wide applications in solar cells and optical biosensing. In this paper, we report on a most unusual grating designed to capture light efficiently into surface plasmons and ...
Matthias Kraft +3 more
doaj +1 more source
Forty-Nanometer Plasmonic Lithography Resolution with Two-Stage Bowtie Lens
Micromachines, 2023 Optical imaging and photolithography hold the promise of extensive applications in the branch of nano-electronics, metrology, and the intricate domain of single-molecule biology.
Yan Meng +4 more
doaj +1 more source
Surface Plasmons in Silicon Nanowires
Advanced Photonics Research, 2021 Plasmon resonances (PRs) in metallic nanostructures have been extensively studied, whereas reports on PR in silicon nanowires (Si NWs) are very few, partial, and they refer to structures larger than 100 nm.
Giovanni Borgh +6 more
doaj +1 more source